(19)

(11)

EP 0 777 558 A1

(12)

(43) Date of publication: 11.06.1997 Bulletin 1997/24 (21) Application number: 95930074.0 (22) Date of filing: 15.08.1995

(51) International Patent Classification (IPC):  B27N 1/ 00( . ) C08H 5/ 04( . ) (86) International application number: PCT/SE1995/000925 (87) International publication number: WO 1996/005953 (29.02.1996 Gazette 1996/10)

(84) Designated Contracting States: AT DE DK ES FR GB IT NL (30) Priority: 22.08.1994 SE 19940002795 (71) Applicant: Stora Kopparbergs Bergslags AB S-791 80 Falun (SE)	(72) Inventors: DAHLIN, Jörgen S-791 74 Falun (SE) NYBERG, Ulf S-184 51 Österskär (SE) (74) Representative: Larsson, Kjell, et al  AWAPATENT AB, Box 45086 104 30 Stockholm 104 30 Stockholm (SE)